Question

Judy has a recipe that requires 2 cups of water for every 3 cups of flour. If she uses 8 cups of flour, how many cups of water should she use?

Answer 1

A ratio is a part-to-part relationship, but it can be expressed and manipulated just like a fraction—in this case, 3÷3123÷312. None of the answers have a fractional value in the denominator, so you need to find a multiplier that will get rid of the fraction. In this case, just doubling the entire ratio will do the trick:

3÷312×22=473÷312×22=47.

Answer 2

Answer:

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